<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>1_字符串形式的ref</title>
</head>
<body>
	<!-- 准备好一个“容器” -->
	<div id="test"></div>
	
	<!-- 引入react核心库 -->
	<script type="text/javascript" src="../js/react.development.js"></script>
	<!-- 引入react-dom，用于支持react操作DOM -->
	<script type="text/javascript" src="../js/react-dom.development.js"></script>
	<!-- 引入babel，用于将jsx转为js -->
	<script type="text/javascript" src="../js/babel.min.js"></script>

	<script type="text/babel">
		//创建组件
        class Demo extends React.Component{
            showDate = () =>{
                const {input1} = this.refs
                alert(input1.value);
            }
            showDate2 = () => {
                const {input2} = this.refs
                alert(input2.value)
            }
            render(){
                return (
                    <div>
                        <input ref="input1" type="text" placeholder="点击按钮提示数据"/>
                        <button onClick={this.showDate}>点击提示左侧数据</button>
                        <input onBlur={this.showDate2} ref="input2" type="text" placeholder="失去焦点提示数据"/>
                    </div>
                ) 
            }
        }
        ReactDOM.render(<Demo />, document.getElementById('test'))
	</script>
</body>
</html>